Search results for optical signal
Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement
Dec 18, 2009 |
4.7 / 5 (16) |
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(PhysOrg.com) -- Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home ...
Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)
Dec 16, 2009 |
4.8 / 5 (26) |
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(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...
AOptix Technologies and NuCrypt demonstrate physical-layer quantum encryption
Dec 14, 2009 |
4.2 / 5 (5) |
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AOptix Technologies, a leading edge developer of ultra-high bandwidth laser communication solutions, and NuCrypt, a provider of technology for ultra-high security over optical communication networks, disclosed today the recent ...
Magnetic field measurements of the human heart at room temperature
Dec 11, 2009 |
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A new optical sensor developed by the American National Institute of Standards and Technology was successfully tested by the Physikalisch-Technische Bundesanstalt (Germany) in the "magnetically best shielded ...
Combining nanotubes and antibodies for breast cancer 'search and destroy' missions
Dec 02, 2009 |
5 / 5 (1) |
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cylinders of carbon about a nanometer in diameter -- have been highly touted for potential applications such as ultrastrong fibers, electrical wires in molecular devices, or hydrogen storage components for ...
Selling chip makers on optical computing
Nov 24, 2009 |
4.6 / 5 (11) |
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(PhysOrg.com) -- Computer chips that transmit data with light instead of electricity consume much less power than conventional chips, but so far, they've remained laboratory curiosities. Professors Vladimir ...
Engineer designs micro-endoscope to seek out early signs of cancer
Nov 19, 2009 |
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Traditional endoscopes provide a peek inside patients' bodies. Now, a University of Florida engineering researcher is designing ones capable of a full inspection.
Compressing photonic signals for greater bandwidth
Nov 03, 2009 |
4.5 / 5 (6) |
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Cornell researchers have developed an ingenious method to time-compress optical signals. The process could enable optical communication systems to carry many more bits per second or could also be used to generate ...
Study reveals a 'missing link' in immune response to disease (w/ Video)
Nov 02, 2009 |
5 / 5 (1) |
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The immune system's T cells have the unique responsibilities of being both jury and executioner. They examine other cells for signs of disease, including cancers or infections, and, if such evidence is found, ...
The Ring Nebula
Nov 02, 2009 |
4.3 / 5 (7) |
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The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data ...
Scientists Build First 'Frequency Comb' To Display Visible 'Teeth'
Oct 29, 2009 |
4.9 / 5 (15) |
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(PhysOrg.com) -- Finally, an optical frequency comb that visibly lives up to its name. Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology in the U.S. ...
Research continues on secure, mobile, quantum communications
Oct 27, 2009 |
5 / 5 (2) |
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Researcher Dr. David H. Hughes of the Air Force Research Laboratory in Rome, N.Y. is leading a team investigating long-distance, mobile optical links imperative for secure quantum communications capabilities in theater.
Seeing Previously Invisible Molecules for the First Time
Chemistry / Analytical Chemistry
Oct 23, 2009 |
5 / 5 (7) |
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(PhysOrg.com) -- A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. The room-temperature technique allows ...
Smallest nanoantennas for high-speed data networks
Oct 20, 2009 |
3.3 / 5 (3) |
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More than 120 years after the discovery of the electromagnetic character of radio waves by Heinrich Hertz, wireless data transmission dominates information technology. Higher and higher radio frequencies are ...
Brighten up -- it's a new plastic optical fibre technology
Oct 19, 2009 |
4 / 5 (1) |
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(PhysOrg.com) -- It may look like little more than fishing line, but plastic optical fibre or POF promises to revolutionise high-speed last-mile communications networks. Its evolution is being aided by groundbreaking ...
